<template>
	<el-form :model="state.ruleForm" size="large" class="login-content-form" :rules="rules" ref="loginFormRef">
		<el-form-item class="login-animation1" prop="username">
			<el-input text placeholder="请输入用户名" v-model="state.ruleForm.username" clearable autocomplete="off">
				<template #prefix>
					<el-icon class="el-input__icon"><ele-User /></el-icon>
				</template>
			</el-input>
		</el-form-item>
		<el-form-item class="login-animation2" prop="password">
			<el-input :type="state.isShowPassword ? 'text' : 'password'" placeholder="请输入密码" v-model="state.ruleForm.password" autocomplete="off">
				<template #prefix>
					<el-icon class="el-input__icon"><ele-Unlock /></el-icon>
				</template>
				<template #suffix>
					<i
						class="iconfont el-input__icon login-content-password"
						:class="state.isShowPassword ? 'icon-yincangmima' : 'icon-xianshimima'"
						@click="state.isShowPassword = !state.isShowPassword"
					>
					</i>
				</template>
			</el-input>
		</el-form-item>
		<el-form-item class="login-animation4">
			<el-button type="primary" class="login-content-submit" round @click="onSignIn(loginFormRef)" :loading="state.loading.signIn">
				<span>登 录</span>
			</el-button>
		</el-form-item>
	</el-form>
</template>

<script setup name="loginAccount">
import { ElMessage } from 'element-plus';
import Cookies from 'js-cookie';
import { useLoginApi } from '/@/api/login';
import { initFrontEndControlRoutes } from '/@/router/frontEnd';
import { formatAxis } from '/@/utils/formatTime';
import { NextLoading } from '/@/utils/loading';

const route = useRoute();
const router = useRouter();
const loginFormRef = ref();
const state = reactive({
	isShowPassword: false,
	ruleForm: {
		client_id: 'ADMIN',
		client_secret: 'secret',
		grant_type: 'password',
		username: 'admin',
		password: '',
	},
	loading: {
		signIn: false,
	},
});

const rules = reactive({
	username: [{ required: true, message: '请输入用户名', trigger: ['blur'] }],
	password: [{ required: true, message: '请输入密码', trigger: ['blur'] }],
});

// 时间获取
const currentTime = computed(() => {
	return formatAxis(new Date());
});
// 登录
const onSignIn = async (loginFormRef) => {
	if (!loginFormRef) return;
	loginFormRef.validate(async (valid) => {
		if (valid) {
			try {
				state.loading.signIn = true;
				let formData = new FormData();
				for (let key in state.ruleForm) {
					formData.append(key, state.ruleForm[key]);
				}
				const res = await useLoginApi().signIn(formData);
				if (res.code == 200) {
					state.loading.signIn = false;
					Cookies.set('userName', state.ruleForm.username);
					Cookies.set('token', res.data.token);
					Cookies.set('tokenHead', res.data.tokenHead);
					await initFrontEndControlRoutes();
					signInSuccess();
				} else if (res.code === 403) {
					state.loading.signIn = false;
					ElMessage.info('用户名或密码错误！');
					return;
				} else {
					state.loading.signIn = false;
				}
			} catch (err) {
				state.loading.signIn = false;
			}
		}
	});
};
// 登录成功后的跳转
const signInSuccess = () => {
	// 初始化登录成功时间问候语
	let currentTimeInfo = currentTime.value;
	// 登录成功，跳到转首页
	// 添加完动态路由，再进行 router 跳转，否则可能报错 No match found for location with path "/"
	// 如果是复制粘贴的路径，非首页/登录页，那么登录成功后重定向到对应的路径中
	if (route.query?.redirect) {
		router.push({
			path: route.query?.redirect,
			query: Object.keys(route.query?.params).length > 0 ? JSON.parse(route.query?.params) : '',
		});
	} else {
		router.push('/');
	}
	// 登录成功提示
	// 关闭 loading
	state.loading.signIn = true;
	const signInText = '欢迎回来！';
	ElMessage.success(`${currentTimeInfo}，${signInText}`);
	NextLoading.start();
};
</script>

<style scoped lang="scss">
.login-content-form {
	margin-top: 20px;
	@for $i from 1 through 4 {
		.login-animation#{$i} {
			opacity: 0;
			animation-name: error-num;
			animation-duration: 0.5s;
			animation-fill-mode: forwards;
			animation-delay: calc($i/10) + s;
		}
	}
	.login-content-password {
		display: inline-block;
		width: 20px;
		cursor: pointer;
		&:hover {
			color: #909399;
		}
	}
	.login-content-code {
		width: 100%;
		padding: 0;
		font-weight: bold;
		letter-spacing: 5px;
	}
	.login-content-submit {
		width: 100%;
		letter-spacing: 2px;
		font-weight: 300;
		margin-top: 15px;
	}
}
</style>
